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Hardest substance known to man?
Diamond
What is the 2nd hardest substance known to man?
Diamond 10
Is boron nitride the second hardest substance after diamond known to man?
YeS...
Is diamond the strongest non-metal known to man?
Original answer: yes-it is the strongest substance on earthYes, diamond is the strongest Natural substance on earth, but it is not nearly the strongest substance of all, and diamond is a mineral... not a metal... there are other ores such as titanium and tungsten that can be strengthened to become thousands of times stronger than diamond.
What is the difference of pearl gemstone to a diamond gemstone?
Pearl is made by a living organism (an oyster) and is soft. Diamond is made deep in the earth and is the hardest substance known to man.
Is diamond a man-made or naturally occurring substance?
No. It's man-made.
Which mineral is the hardest known-to-man?
Diamond is still the hardest substance known to man. Various carbides such as tungsten carbide, boron carbide, and silicon carbide are also extremely hard, but you will notice that they all contain carbon (diamond is pure carbon - the rest are carbon compounds.)
What can you make carbon out of?
From just carbon, coal, graphite and diamond; if you add some other things you can make virtually any substance known to man.
What is the the hardest substance known?
The hardest substance on earth are things called Carbon Nanotubes. It's quite some times harder than diamond earning it well above a 10 on the Mohs Scale. This object is synthetic, being made by man. However, there is another substance called Rhenium diboride that is also harder than diamond; another from of a nanotube.
Why diamond is used for making protective windows for space satellites?
Hardest substance known to man; can't be scratched or cut by a passing meteor or other space debris.
Can sandpaper scratch a diamond?
No, sandpaper cannot scratch a diamond because diamonds are the hardest natural material on the Mohs scale of mineral hardness. Sandpaper is designed to abrade or scratch softer materials, not harder ones like diamond.
WHAT IS HARDER GOLD OR DIAMOND?
Gold is very soft, almost useless for most engineering purposes. Diamond OTOH is the hardest substance known to man.
